Ultra Long Standby Time & Wireless Compact Design2 rechargeable batteries are large enough for supporting a long time camera work 3-4 months(when triggered within 10 times/day). Wireless Connection and Invisible small size is easy to install it on outside or indoor for monitoring any unfriendly intruders and animals(2.4G Wi-Fi is required not work with 5G WiFi) PIR Motion Detection & 4MP Resolution Flexibly adjustable motion sensitivity to avoid false alarms caused by flying moths or branches, which makes the camera to catch what you really care, more smartly and more accurately. 4MP resolution is more clearly than most of other cameras. Send real-time alerts and save motion triggered videos to micro SD card(up to 128GB). Waterproof and Easy InstallationThis camera has IP66 Waterproof, professional home security camera can withstand temperature ranges from -4°F to 140°F(-20°C to 60°C), which means this motion security camera is strong enough to withstand rough weather and v